Amazon.com: EDGELEC 100pcs 5mm White Blinking LED Diodes 1.5Hz Flash (Single Color Flashing) Clear Round Lens 29mm Lead DC 3V Blink Bulb Lamp Light Emitting Diode +100pcs Resistors (430ohm for DC 6-12V)
Light up Flashing Rings Jelly Led Bumpy Rubber Ring Party Favors Light Up Rings | eBay
G16226 - Giant 10mm Rainbow Flashing LED
LED BL 5MM RT: Flashing LED, 5 mm, red at reichelt elektronik
Flashing LED Circuit
Project - Flashing LED | Electronics Club
LED 7 Color Flashing Module - ProtoSupplies
STOP/STOP Flashing LED Hand-Held Paddle Sign - Traffic Safety Corp.